Flowcontrol - Dell Force10 S4810P Reference Manual

flowcontrol

Control how the system responds to and generates 802.3x pause frames on 1Gig and 10Gig line cards.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax flowcontrol rx {off | on} tx {off | on} threshold {<1-2047>
<1-2013> <1-2013>}
Parameters
rx on
rx off
tx on
tx off
threshold
Defaults
Command Modes INTERFACE
Command History
Version 8.3.11.1
Version 8.3.7.0
Version 8.1.1.0
Versions 6.5.1.9
and 7.4.1.0
Version 7.8.1.0
NOTE: The threshold keyword is supported on the C-Series and S-Series only.
Enter the keywords rx on to process the received flow control
frames on this port. This is the default value for the receive side.
Enter the keywords rx off to ignore the received flow control
frames on this port.
Enter the keywords tx on to send control frames from this port to
the connected device when a higher rate of traffic is received. This is
the default value on the send side.
Enter the keywords tx off so that flow control frames are not sent
from this port to the connected device when a higher rate of traffic is
received.
(C-Series and S-Series only) When you configure tx on, you can set
the threshold values for:
•
•
•
• C-Series: rx off tx off
• E-Series: rx on tx on
• S-Series: rx off tx off
• S4810: rx on tx off
Introduced on the Z9000.
Introduced on the S4810.
Introduced on the E-Series ExaScale.
Introduced on the E-Series.
Introduced on the C-Series and S-Series with the thresholds
option.
Number of flow-control packet pointers: 1 to 2047 (default =
75)
Flow-control buffer threshold in KB: 1 to 2013 (default = 49KB)
Flow-control discard threshold in KB: 1 to 2013 (default =
75KB)
765